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ASTM C450-99e1

Historical Revision

Standard Practice for Fabrication of Thermal Insulating Fitting Covers for NPS Piping, and Vessel Lagging

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1.1 This practice provides tables of dimensions of preformed insulation that may be used in fabricating covers for use on valves, ells, tees, flanges, and vessels in the pressure range from 150 to 1500 psi (1 to 10 MPa). These tables, which are part of this standard, are published separately as the ASTM Recommended Dimensional Standards for Prefabrication and Field Fabrication of Thermal Insulation Fitting Covers for NPS Piping, Vessel Lagging, and Dished Head Segments. The tables provide dimensions for use in forming pipe fitting covers for NPS pipe operating at high temperature and low temperature and NPS pipe heat traced with tubing up to 5/8 in. (16 mm) in outside diameter. The tables also include dimensions for use in forming thermal insulation into curved segments, lagging, and dished heads for application on vessels. This practice does not apply to reflective-type insulation.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.


SDO ASTM: ASTM International
Document Number C450
Publication Date Sept. 10, 1999
Language en - English
Page Count 3
Revision Level 99e1
Supercedes
Committee C16.20
Publish Date Document Id Type View
April 1, 2018 C0450-18 Revision
Nov. 1, 2017 C0450-17 Revision
May 1, 2008 C0450-08 Revision
July 10, 2002 C0450-02 Revision
Sept. 10, 1999 C0450-99E01 Revision
Sept. 10, 1999 C0450-99 Revision
April 1, 2014 C0450-08R14 Reaffirmation